Sory, some lack with focus, nevertheless it was done. I did a little adjustment on OAG and the focuser wasn't locked. I didn't perceive it !
GSO 305 mm - Canon T 3 - ISO 800 - 1 h 24 m - 21 x 40 sec - OAG - ASI120MC - Skyglow filter - Coma Corrector
large:
http://www.astrobin.com/94871/0/
note: my first try with Photoshop CS6. I found some difficulties with HDR converson form TIF 32 bits DSS to 16 bits Photoshop. It is a bit different from CS3 !